Proposed Additions to the PDP-11 Instruction Set:


BBW
BEW
BBBF
BH
BMR
BOB
BPO
BST
CDS
CLBR
CLBRI
CM
CMFRM
CPPR
CRN
DC
DMPK
DO
EMPC
EPI
EROS
EXCE
HCF
IBP
INSQSW
PBC
PDSK
PI
POPI
PVLC
RASC
RPM
RSSC
RTAB
RWDSK
RWOC
SCRBL
SLC
SPSW
SRSD
STROM
TDB
WBT

Branch Both Ways
Branch Either Way
Branch on Bit Bucket Full
Branch and Hang
Branch Multiple Registers
Branch On Bug
Branch on Power Off
Backspace and Stretch Tape
Condense and Destroy System
Clobber Register
Clobber Register Immediately
Circulate Memory
Come From -- essential for truly structured programming
Crumple Printer Paper and Rip
Convert to Roman Numerals
Divide and Conquer
Destroy Memory Protect Key
Divide and Overflow
Emulate Pocket Calculator
Execute Programmer Immediately
Erase Read Only Storage
Execute Customer Engineer
Halt and Catch Fire
Insert Bug and Proceed
Insert into queue somewhere (for FINO queues [First in never out])
Print and Break Chain
Punch Disk
Punch Invalid
Punch Operator Immediately
Punch Variable Length Card
Read And Shred Card
Read Programmers Mind
Reduce Speed, Step Carefully (for improved accuracy)
Rewind tape and break
Rewind Disk
Read Writing On Card
Scribble To Disk - faster than a write
Search for Lost Chord
Scramble Program Status Word
Seek Record and Scar Disk
Store in Read Only Memory
Transfer and Drop Bit
Water Binary Tree